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Finding the Fourth Proportional to 11,493.36, 15,855.84 and 7,299.36

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Solution

The fourth proportional to 11,493.36, 15,855.84 and 7,299.36 is: 10,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.36 : 15,855.84 = 7,299.36 : x
  2. Step 2: Convert to fraction form
    11,493.36/15,855.84 = 7,299.36/x
  3. Step 3: Cross multiply
    11,493.36x = 15,855.84 × 7,299.36
  4. Step 4: Simplify right side
    11,493.36x = 115,737,484.26
  5. Step 5: Solve for x
    x = 115,737,484.26/11,493.36
  6. Step 6: Final answer
    x = 10,069.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.